Consolidated Statements Of Comprehensive Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Insurance premiums	$ 5,277	$ 4,362	$ 3,018
Fee income	6,247	5,733	5,369
Net investment income	4,962	4,844	4,760
Realized gain (loss):
Total other-than-temporary impairment losses on securities	(28)	(7)	(18)
Portion of loss recognized in other comprehensive income	13
Net other-than-temporary impairment losses on securities recognized in earnings	(15)	(7)	(18)
Realized gain (loss), excluding other-than-temporary impairment losses on securities	(813)	(85)	(438)
Total realized gain (loss)	(828)	(92)	(456)
Amortization of deferred gain on business sold through reinsurance	27	4	18
Other revenues	507	507	439
Total revenues	16,192	15,358	13,148
Expenses
Interest credited	2,754	2,589	2,558
Benefits	7,585	6,144	4,818
Commissions and other expenses	5,065	4,583	3,967
Interest and debt expense	145	136	126
Strategic digitization expense	66	76	43
Impairment of intangibles			905
Total expenses	15,615	13,528	12,417
Income (loss) before taxes	577	1,830	731
Federal income tax expense (benefit)	(37)	257	(1,287)
Net income (loss)	614	1,573	2,018
Other comprehensive income (loss), net of tax:
Unrealized investment gains (losses)	5,173	(3,314)	1,547
Funded status of employee benefit plans	4	2	(2)
Total other comprehensive income (loss), net of tax	5,177	(3,312)	1,545
Comprehensive income (loss)	$ 5,791	$ (1,739)	$ 3,563